Fig. 2. Changes in height z score for chronological age (CA) and bone age (BA) in all participants (A), normal weight group (B), and overweight/obese group (C). Asterisk (*) represents significant difference (P<0.05) between visit 1 and each visit. Visit 1, at the start of gonadotropin-releasing hormone (GnRH) agonist treatment; visit 2, at 1 year after GnRH agonist treatment; visit 3, at the end of GnRH agonist treatment; visit 4, at 6–12 months follow-up after GnRH agonist discontinuation.